Sulfamic Acid: An Efficient Catalyst for the Diastereoselective, One-Pot Synthesis of Pyrano Benzopyrans, Furano Benzopyrans and Ethoxy Benzopyrans

R. S. Kumar; R. Nagarajan; K. Vijay; P. T. Perumal

doi:10.2174/1570178054405841

ISSN: 1570-1786
E-ISSN: 1875-6255

Sulfamic Acid: An Efficient Catalyst for the Diastereoselective, One-Pot Synthesis of Pyrano Benzopyrans, Furano Benzopyrans and Ethoxy Benzopyrans
Authors: R. S. Kumar¹, R. Nagarajan², K. Vijay³ and P. T. Perumal⁴
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¹ Organic Chemistry Division Central Leather Research Institute, Adyar, Chennai - 600 020, India. ² Organic Chemistry Division Central Leather Research Institute, Adyar, Chennai - 600 020, India. ³ Organic Chemistry Division Central Leather Research Institute, Adyar, Chennai - 600 020, India. ⁴ Organic Chemistry Division Central Leather Research Institute, Adyar, Chennai - 600 020, India.
Source: Letters in Organic Chemistry, Volume 2, Issue 5, Aug 2005, p. 458 - 460
DOI: https://doi.org/10.2174/1570178054405841
- Available online: 01 Aug 2005

Abstract

Sulfamic acid catalyses the one-pot three components coupling of aldehydes, anilines and electron rich dienophiles such as dihydropyran, dihydrofuran and ethyl vinylether resulting in the formation of pyrano, furano and ethoxy benzopyrans.

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2005-08-01

2025-09-11

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Article Type: Review Article

Keyword(s): diastereoselective; furanobenzopyran; pyranobenzopyran; sulfamic acid; three- component coupling

Sulfamic Acid: An Efficient Catalyst for the Diastereoselective, One-Pot Synthesis of Pyrano Benzopyrans, Furano Benzopyrans and Ethoxy Benzopyrans

Abstract

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